Prosecution Insights
Last updated: October 02, 2026

Examiner: LANGEL, WAYNE A

Tech Center 1700 • Art Units: 1658 1731 1736 1793

This examiner grants 78% of resolved cases

Analysis

Wayne A Langel has a volume of 1654 resolved cases in Tech Center 1700 and Art Unit 1658. His allowance rate pct is 78.4, and the median days to allowance is 882. These metrics indicate the prosecution process in his docket. The 882-day median to allowance is a benchmark for applicants in Art Unit 1658 and can be used to estimate the time to issuance.

The interview lift pct of 23.2 is a metric suggesting that interviews are a tool for securing an allowance. This 23.2 lift indicates that direct engagement can improve the 78.4 allowance rate pct. With 1654 resolved cases, the data provides a foundation for these trends. A 23.2 lift is an indicator that practitioners should consider interviews to resolve rejections and move toward a grant, potentially within the 882-day median timeline.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

78.4%
Allow Rate
+13.4% vs TC avg
1,688
Total Applications
+23.2%
Interview Lift
882
Avg Prosecution Days
Based on 1654 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
18.1%
§102 Novelty
36.1%
§103 Obviousness
31.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18266935 METHOD AND SYSTEM FOR TREATING ANIMAL PRODUCTS Non-Final OA COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
18632296 METHOD FOR RECOVERING LITHIUM PRECURSOR FROM LITHIUM SECONDARY BATTERY Non-Final OA SK INNOVATION CO., LTD.
18690674 PLA COATING OF FERTILISERS Non-Final OA thyssenkrupp AG
18284525 COMPOSITIONS, METHODS, AND SYSTEMS FOR MICROWAVE CATALYTIC AMMONIA SYNTHESIS Non-Final OA WEST VIRGINIA UNIVERSITY BOARD OF GOVERNORS ON BEHALF OF WEST VIRGINIA UNIVERSITY
18252510 TREATMENT OF BAUXITE RESIDUE Non-Final OA THE UNIVERSITY OF QUEENSLAND
18451699 Method for producing by-product yellow phosphorus slag from yellow phosphorus by unconventional electric furnace process, and use Non-Final OA Zhengzhou University

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